remove automatic email address at login
In the past, I would have to type in my email address before adding my password, which I liked as I feel it is more secure. Recently Yahoo has started displaying my email address already displayed so I only need to enter a password. I do not like this as I feel it is less secure. I click remove and then type my address. But next time I log on my email address is again displayed. How do I stop this automatic displaying of my email address?